Reef diving regions

• Aliwal Shoal Marine Protected Area – Marine conservation area at Aliwal Shoal off the coast of KwaZulu-Natal, South Africa
  • Aliwal Shoal – Rocky reef off the coast of KwaZulu-Natal, South Africa
• Amed (Bali) – Group of fishing villages in Karangasem Regency on the north coast of Bali
• Anilao – Municipality in Batangas, PhilippinesPages displaying short descriptions of redirect targets
• Apo Island – Volcanic island in Visayas, Philippines
• Apo Reef – Coral reef in the Philippines
• Arrecifes de Cozumel National Park – Marine protected area in the Cozumel reef system off Mexico
• Bay of Pigs – Bay on the island of Cuba
• Belize Barrier Reef – Series of coral reefs straddling the coast of Belize
• Biscayne National Park – American national park located south of Miami, Florida
• Bohol Sea – Marginal sea between the Visayas and Mindanao in the Philippines
• Bowie Seamount – Submarine volcano in the northeastern Pacific Ocean
• Bunaken – Island at the northern tip of Sulawesi in Indonesia
  • Bunaken National Park – Marine park in the north of Sulawesi island, Indonesia
• Calve Island – Uninhabited island on the west coast of Scotland
• Capurganá – Tourist destination of Colombia
• Ċirkewwa – Harbour in Malta
• Cliff Villa Peninsula – Promontory in Bandabou, Curaçao
• Cozumel – Island in Quintana Roo, Mexico
• Dhilba Guuranda-Innes National Park – Protected area in the Yorke Peninsula, South AustraliaPages displaying short descriptions of redirect targets
• Edmonds Underwater Park – Recreational dive site in Seattle, Washington
• El Ikhwa Islands – Two islands in the Egyptian Red Sea
• False Bay – Large bay of the Atlantic Ocean at Cape Town, South Africa
• Għar Qawqla – Limestone formation off Marsalforn on the island of Gozo in Malta
• Gili Islands – Three small islands off Lombok, Indonesia
• Great Barrier Reef – Coral reef system in Queensland, Australia
• Great Southern Reef – Interconnected temperate rocky reefs across the southern coast of continental Australia and Tasmania
• Guadalupe Island Biosphere Reserve – Natural reserve in Mexico
• Haql – City in Tabuk province, Saudi Arabia
• Hol Chan Marine Reserve – Marine reserve off the coast of Belize
• iSimangaliso Marine Protected Area – Marine conservation area in northern kwaZulu-Natal in South Africa
  • Sodwana Bay – Bay of the Indian Ocean on the northern KwaZulu-Natal coast of South Africa
• John Pennekamp Coral Reef State Park – State park at Key Largo, Florida, USA
• Kadmat Island – Coral island of the Lakshadweep archipelago in India
• Ko Tao – Island subdistrict in Surat Thani, Thailand
• Lighthouse Reef – Atoll off the coast of Belize
• Malapascua – Island in the Philippines
• Mantanani Islands – Group of three islands off the north-west coast of Sabah, Malaysia
• Martin's Haven – Bay in Pembrokeshire, Wales, UK,
• Molasses Reef – Coral reef located within the Florida Keys National Marine Sanctuary
• Molokini – Islet in Maui County, Hawaii
• Neptune Islands – Two groups of islands in South Australia
• Osprey Reef – Submerged atoll in the Coral Sea, northeast of Queensland, Australia
• Panglao, Bohol – Municipality in Bohol, Philippines
• Pescador Island – Island in Basdiot barangay, Moalboal, Cebu, the Philippines
• Petit Saint Vincent – Private island in The Grenadines, Saint Vincent and the Grenadines
• Poor Knights Islands – Group of islands and marine reserve off the east coast of New Zealand's North Island
• Porteau Cove Provincial Park – Place in British Columbia, Canada
• Puerto Galera – Municipality in Oriental Mindoro, Philippines
• Punta Cana – Resort town in La Altagracia Province, Dominican Republic
• Ras Muhammad National Park – Egyptian national park in South Sinai
• Rondo Island – Northernmost island in Indonesia
• Rottnest Island – Island off the coast of Western Australia
• San Andrés (island) – One of the two principal islands of San Andrés and Providencia, Colombia
• San Pedro Nolasco Island – Mexican island in the Gulf of California
• Shaʽb Abu Nuħas – Coral reef in the Red Sea
• Shadwan Island – Egyptian island in the Red Sea
• Similan Islands – Marine protected area in Phang Nga Province, southern Thailand
• Sipadan – Oceanic island in Malaysia
• Socorro Island – Small volcanic island off the west coast of Mexico
• Sound of Mull – Sound between the Inner Hebridean island of Mull and mainland Scotland
• St. Crispin's Reef – An elongate outer-shelf coral reef in the Great Barrier Reef, Queensland, Australia
• Table Mountain National Park Marine Protected Area – Marine conservation area around the Cape Peninsula in South Africa
• Taganga – Fishing village and corregimiento in Magdalena, Colombia
• Tsitsikamma Marine Protected Area – Marine conservation area on the south coast of South Africa
• Tubbataha Reef – Protected area in the middle of the Sulu Sea
• Utila – Smallest of Islas de la Bahía, Honduras
• Wakatobi Regency – Group of islands in Southeast Sulawesi, Indonesia
• Weh Island – Island in Aceh, Indonesia

Reef dive sites

• Artificial reef – Human-made underwater structure that functions as a reef
  • Edithburgh jetty – Coastal town in South Australia
  • Gibraltar Artificial Reef – Artificial reef project off Gibraltar
  • Merkanti Reef – Artificial reef at St. Julian's, Malta
  • Osborne Reef – Artificial reef off Fort Lauderdale, Florida, US
  • Shark River Reef – Artificial reef off New Jersey
  • Underwater artworks
    • Cancún Underwater Museum – Underwater display of sculpture in Cancún, Mexico
    • Christ of the Abyss – Submerged statue of Jesus Christ
    • Circle of Heroes – Underwater military memorial in Florida
    • Kristu tal-Baħħara – Christ of the Mariners, underwater statue off Malta
    • Molinere Underwater Sculpture Park – Collection of underwater contemporary art off Grenada in the Caribbean
• Azure Window – Former natural arch in Gozo, Malta
• Cod Hole – Dive site in Queensland, Australia
• Daedalus Reef – Reef in the Egyptian Red Sea
• Devil's Throat at Punta Sur – Underwater cave near Cozumel, Mexico
• Elphinstone Reef – Small reef in the Egyptian Red Sea
• Eyemouth – Coastal town in Berwickshire Scotland
• Fanadir – Recreational dive site in the Red Sea
• Fowey Rocks Light – Lighthouse on Key Biscayne, Florida, United States
• Frederiksted Pier – Cruise ship pier in Saint Croix, U.S. Virgin Islands
• French Reef – Coral reef in the Florida Keys, US
• Gamul Kebir – Recreational dive site of Egypt in the Red Sea
• Hillsea Point Rock – Group of pinnacles in the Rnglish Channel off Devon
• Inland Sea, Gozo – Seawater lagoon on Gozo, Malta
• Kennack Sands – Beach in Cornwall, England
• The Manacles – Set of treacherous rocks off The Lizard peninsula in Cornwall
• Magic Point – Coastal headland in Sydney, New South Wales, Australia
• Octopus Hole – A designated conservation area on the Washington's Hood Canal.Pages displaying short descriptions of redirect targets
• Palancar Reef – Coral reef off Cozumel, Mexico in the Caribbean sea
• Pope's Eye – Uncompleted foundation for an island fort at Port Philip, Victoria, Australia
• Port Hughes jetty – Coastal town in South Australia
• Port Noarlunga jetty – Coastal suburb of Adelaide, South Australia
• Portsea Hole – A depression in the seafloor of Port Phillip near Portsea in Victoria, Australia
• Rapid Bay jetty – Coastal town in South Australia
• Second Valley – Coastal town in South Australia
• South Channel Fort – Island in southern Port Phillip, Victoria, Australia
• St Abbs – Village in Berwickshire, Scotland, UK
• Sund Rock – A designated conservation area on the U.S. state of Washington's Hood Canal
• Stingray City, Grand Cayman – Sandbars in the North Sound of Grand Cayman, Cayman Islands
• Wolf Rock – Marine pinnacles in Queensland, Australia

Blue holes

The Great Blue Hole, located near Ambergris Caye, Belize

Dean's Blue Hole, Long Island, Bahamas

Blue hole – Marine cavern or sinkhole, open to the surface, in carbonate bedrock

• Amberjack Hole – Blue Hole 48 km off the coast of Sarasota, Florida
• Blue Hole (Red Sea) – Submarine sinkhole north of Dahab, Egypt
• Dean's Blue Hole – Deep water-filled sinkhole in the Bahamas
• Dragon Hole – Deep underwater sinkhole in the South China Sea
• Great Blue Hole – Marine sinkhole off the coast of Belize
• Green Banana Hole – Blue hole off the coast of Sarasota, Florida

Flooded quarries

Diving at Stoney Cove

• Capernwray Dive Centre – Flooded quarry in Lancashire, England, used as a recreational dive site
• Dorothea Quarry, Nantlle Valley, Gwynedd, North Wales.
• Dosthill quarry, near Tamworth, Staffordshire
• Dutch Springs, Bethlehem, Pennsylvania
• Eccleston Quarry – Flooded quarry used as a recreational dive site
• National Diving and Activity Centre, at Tidenham, Gloucestershire
• Stoney Cove, between Stoney Stanton and Sapcote in Leicestershire
• Wazee Lake – Artificial lake of Wisconsin, US

A

• HMS A1 – Royal Navy's first British-designed submarine
• HMS A3 – A-class submarine of the Royal Navy
• USS Aaron Ward – Gleaves-class destroyer of the United States Navy
• SS Abessinia – German ship wrecked at the Farne Islands in 1921. Now a dive site
• USS Accokeek – Auxiliary ocean tug of the United States Navy,
• HMAS Adelaide – Frigate of the Royal Australian Navy, lead ship of the class
• SS Admiral Sampson – American-flagged cargo and passenger steamship
• MV Adolphus Busch – Ship sunk off of Looe Key, Florida, as an artificial reef and dive site
• MV Aeolian Sky – Greek registered freighter sunk off Dorset after a collision
• USS Aeolus – Attack cargo ship converted into a cable repair ship
• Agat World War II Amtrac – Sunken amphibious tracked landing vehicle
• SS Ajax – Cargo steamship that was built in Germany in 1923
• SS Albert C. Field – Canadian cargo ship, sunk off the Needles during World War II
• USS Algol – Andromeda-class attack cargo ship
• Alondra – English steamer wrecked off Ireland
• Al Munassir – Amphibious warfare vessel operated by the Royal Navy of Oman
• Amaryllis – Canadian cargo ship
• SS America – Steam packet wrecked off Isle Royale in Lake Superior
• USS Anderson – Sims-class destroyer
• SS Andrea Doria – Ocean liner sunk after a collision off Massachusetts in 1956
• SS Antilla – Hamburg America Line cargo ship scuttled in 1940 off Aruba
• SS Antilles – French cruise ship that ran aground and sank off Mustique
• USS Apogon – Balao-class submarinePages displaying short descriptions of redirect targets
• SS Aquila – British built cargo ship sunk off Ambon
• Aratama Maru – Japanese munitions transport ship sunk at Guam
• USS Arkansas – Dreadnought battleship of the United States Navy
• SS Arratoon Apcar – 19th-century British steamship that is now a wreck in Florida
• USS Arthur W. Radford – Spruance-class destroyer in the United States Navy
• USS Atlanta – Atlanta-class light cruiser

B

• HMAS Bayonet – Attack-class patrol boat of the Royal Australian Navy
• SS Ben Doran – Steam fishing trawler that operated out of Aberdeen
• SS Benwood – Steam cargo ship of the early twentieth century
• MV Bianca C. – Passenger ship sunk off Grenada
• SS Binnendijk – Dutch cargo steamship sunk by a mine off Portland Bill in the English Channel
• HMSAS Bloemfontein – Algerine-class minesweeper built for the Royal Navy in Canada during World War II
• HMS Boadicea – B-class destroyer of the Royal Navy, sunk by enemy action in Lyme Bay
• Booya – Schooner wrecked in Darwin, Australia
• SS Breda – Dutch ship sunk off Scotland in 1940
• Brian Davis – Iris-class buoy tenderPages displaying short descriptions of redirect targets
• HMAS Brisbane – Australian guided missile destroyer
• HMHS Britannic – Olympic-class ocean liner
• Bud Bar – Artificial reef near Boynton Beach, Florida
• Bungsberg – German cargo ship sunk near Tallinn, Estonia

C

• HMAS Canberra – Guided missile frigate
• HMCS Cape Breton – Royal Canadian Navy Cape-class maintenance ship
• USCGC Cape Henlopen – Type "C" Cape-class coast guard cutter
• Captain Keith Tibbetts – Class of Soviet anti submarine frigates
• SS Carl D. Bradley – Self-unloading Great Lakes freighter that sank in a Lake Michigan storm
• SS Carnatic – British steamship wrecked in the gulf of Suez
• Carthaginian II – Steel sailing vessel sunk as artificial reef
• SS Cedarville – Great lakes bulk carrier wrecked in a collision
• ROCS Chen Hai – Casa Grande-class dock landing shipPages displaying short descriptions of redirect targets
• SS City of Launceston – Steamship operated by the Launceston and Melbourne Steam Navigation Company
• HMCS Chaudière – Restigouche-class destroyer of the Royal Canadian Navy
• SS Clan Ranald – Turret deck steamship that sank off the Yorke Peninsula, South Australia
• USCGC Comanche – Coast guard cutter
• Constandis – Fishing vessel sunk as a recreational dive site in Limassol Bay, Cyprus
• HMAS Coogee – Passenger ferry that briefly served as a Royal Australian Navy armed patrol vessel
• SMS Cormoran – German armed merchant raider of WWI scuttled at Guam
• HMS Coronation – 90-gun second-rate ship of the line of the English Royal NavyPages displaying short descriptions of redirect targets
• Crusader – Australian Army amphibious operations support ship of World War II
• USS Curb – Diver-class rescue and salvage shipPages displaying short descriptions of redirect targets
• USCGC Cuyahoga – US Coast Guard Active-class patrol boat

D

• MV Dania – Cargo ship scuttled as a dive site off Bamburi, Kenya
• David Tucker – Steel-hulled patrol boat of the 95-Foot or Cape class.Pages displaying short descriptions of redirect targets
• SMS Dresden – Light cruiser of the German Imperial Navy
• SS D.R. Hanna – 552-foot steel freighter that sank on Lake Huron in 1919
• USCGC Duane – United States Coast Guard cutter
• SS Dunraven – British cargo vessel wrecked in the Gulf of Suez
• SS Dwight L. Moody – Liberty ship of WWII

E

• Eagle – Freighter sunk as an artificial reef in Florida
• SS Eastfield – Ship sunk off Cornwall in 1917, now a dive site
• SS Eber Ward – Package freighter sunk in the Straits of Mackinac
• SS Edgar E Clark – American Liberty shipPages displaying short descriptions of redirect targets
• HMT Elk – British trawler sunk off Plymouth in 1940, now a recreational dive site.Pages displaying short descriptions of redirect targets
• SS Ellengowan – Schooner shipwrecked in Darwin, Australia
• USS Emmons – Gleaves-class destroyerPages displaying short descriptions of redirect targets
• RMS Empress of Ireland – British ocean liner that sank in 1914
• SS Espagne – Belgian cargo ship sunk in English Channel

F

• HMS Falmouth – Town-class light cruiser of the Royal Navy
• Fifi – Tugboat that caught fire and sank in Bahrain
• SS Francisco Morazan – German built cargo ship wrecked in Lake Michigan
• Fujikawa Maru – Japanese armed transport ship sunk in Truk lagoon
• Japanese destroyer Fumizuki – Mutsuki-class destroyer of the Imperial Japanese Navy sunk at Truk

G

• SMS Geier – Unprotected cruiser of the German Imperial Navy
• SATS General Botha – Mersey class cruiser
• SS George Dewey – Liberty ship of WWII
• USNS General Hoyt S. Vandenberg – US Navy transport ship sunk as artificial reef at Key WestPages displaying short descriptions of redirect targets
• Georg Thiele – Type 1934 class destroyer
• HMS Ghurka – Tribal-class destroyer of the Royal Navy sunk off Dungeness by a German mine
• USS Gilliam – Attack transport ship sunk at Bikini atollPages displaying short descriptions of redirect targets
• Glen Strathallan – British ship scuttled in Plymouth sound as a dive site
• SAS Good Hope – Loch-class frigate in the South African Navy
• HMAS Goorangai – Auxiliary minesweeper of the Royal Australian Navy
• SS Gothenburg – British steamship wrecked on the Great Barrier Reef
• MV Gregory Poole – Admirable-class minesweeperPages displaying short descriptions of redirect targets

H

• MT Haven – Crude oil carrier that sank off the coast of Genoa, Italy in 1991
• Hermann Künne – Type 1936-class destroyer
• HMS Hermes – 1924 unique aircraft carrier
• Herzogin Cecilie – German-built four-masted barque wrecked near Salcombe
• Hilma Hooker – Shipwreck in Bonaire in the Caribbean Netherlands
• SS Hispania – Swedish steamship wrecked in the Sound of Mull, now a dive site
• HMS Hood – Royal Sovereign-class battleship of the Royal Navy scuttled in Portland Harbour
• HMAS Hobart – Royal Australian Navy scuttled shipwreck

I

• Igara – Bulk carrier wrecked off the east coast of Malaysia and partly salvaged
• USS Indra – Landing craft repair ship built for the United States Navy during World War IIPages displaying short descriptions of redirect targets
• SS Ironsides – Wooden-hulled American package freighter on Great Lakes service
• SS Isaac M. Scott – American Great Lakes freighter

J

• HMAS J1 – J class submarine
• HMAS J2 – J class submarine
• HMAS J4 – J class submarine
• HMAS J5 – 1916 J class submarine
• SS James Eagan Layne – Liberty ship sunk off Cornwall, now a dive site
• Jura – Wooden, flush deck, paddle steamer,

K

• Kashi Maru – Japanese auxiliary minelayer, now a dive site in the Solomon Islands
• King Cruiser – Car ferry that sank off the West Coast of Southern Thailand
• USS Kittiwake – Chanticleer-class submarine rescue vesselPages displaying short descriptions of redirect targets
• Kizugawa Maru – World War II-era Japanese freighter ship
• SMS Kronprinz – Battleship of the German Imperial Navy
• Kyarra – Cargo and passenger luxury liner torpedoed and sunk near Swanage

L

• Lady Thetis – Cypriot passenger ship sunk for use as a recreational dive site
• HMS Laforey – Royal Navy destroyer sunk by a mine off Sussex
• USS Lamson – Mahan-class destroyer
• USAT Liberty – United States Army cargo ship
• SS Louis Sheid – Belgian ship sunk off Devon on 1939. Now a recreational dive site
• USS LST-507 – US Tank landing ship sunk off the south coast of England, now a dive site

M

• HMS M2 – Royal Navy submarine monitor wrecked in Lyme Bay
• HMCS Mackenzie – Mackenzie-class destroyer of the Royal Canadian Navy
• SS Maine – British ship sunk in 1917 near Dartmouth, Devon. Now a recreational dive site
• SS Maloja – UK registered passenger steamship sunk by a mine off Dover
• HMS Maori – Royal Navy Tribal class destroyer sunk in Malta
• SS Maori – Shoreline historical wreck in Leeugat Bay on the Cape Peninsula west coast
• Marguerite – French ship sunk in Lyme Bay in 1917. Now a dive site
• SMS Markgraf – Battleship of the German Imperial Navy
• SS Mauna Loa – American cargo ship
• USAT Meigs – United States Army transport ship sunk in Darwin Harbour
• SS Mendi – Passenger steamship that sank after a collision south of the Isle of Wight
• MV Mercedes I – Merchant ship built in 1952 in Hamburg, Germany
• MS Mikhail Lermontov – Soviet cruise liner wrecked in the Marlborough Sounds, New Zealand
• SS Milwaukee – Great lakes train ferry that foundered in a storm
• USS Mindanao – US Navy Luzon-class internal combustion engine repair ship in service 1943-1947
• SS Miowera – Passenger and refrigerated cargo liner
• USS Mizpah – United States Navy patrol yachtPages displaying short descriptions of redirect targets
• USCGC Mohawk – US Coastguard cutter sunk as artificial reef off south-west Florida
• SS Mohegan – British steamship wrecked off of Cornwall in 1898
• RMS Moldavia – British ship sunk in 1918 off Beachy Head, now a dive site
• HMS Montagu – Pre-dreadnought battleship of the British Royal Navy
• MV RMS Mulheim – German owned container ship wrecked at Land's End, United Kingdom
• USS Muliphen – Andromeda-class attack cargo shipPages displaying short descriptions of redirect targets

N

• Nagato – Super-dreadnought sunk by nuclear test in Bikini atoll
• HMCS Nipigon – Annapolis-class destroyer of the Royal Canadian Navy

O

• SS Oceana – Cargo and passenger ship sunk off Beachy Head after a collision
• Oite – Kamikaze-class destroyer built for the Imperial Japanese Navy during the 1920s
• USS Oriskany – Essex-class aircraft carrier of the US NavyPages displaying short descriptions of redirect targets
• MS Oslofjord – Ocean liner sunk after hitting a mine off the River Tyne
• Ozone – Paddle steamer built in Scotland in 1886

P

• P29 – Ship scuttled as dive site off Malta
• P31 – Minesweeper/patrol boat scuttled for use as a recreational dive site
• SS Panay – Passenger vessel built for the Great Western Railway
• SS Papoose – Oil tanker built in 1921
• SS Pedernales – Lake tanker damaged by a torpedo at Aruba, part of the ships remains as dive site
• SS Persier – British ship sunk in Plymouth Sound in 1945. Now a dive site
• HMAS Perth – Guided missile destroyer of the Australian Navy, sunk as a dive site off Western Australia
• SS Pewabic – Package freighter that served ports on the Upper Great Lakes
• SAS Pietermaritzburg – Algerine-class minesweeper built for the Royal Navy during World War II
• USS Pilotfish – Balao-class submarine sunk at Bikini atollPages displaying short descriptions of redirect targets
• MS Piłsudski – Polish passenger ship sunk off the Yorkshire coast
• SS Pioneer – Steam dredging ship
• USCGC Point Swift – United States Coast Guard cutterPages displaying short descriptions of redirect targets
• MV Pool Fisher – British merchant vessel that sank off the Isle of Wight
• SS Port Kembla – A steamer owned by the Commonwealth and Dominion Line
• HMS Port Napier – British World War II auxiliary minesweeper that caught fire and exploded
• SS President Coolidge – American ocean liner sunk by mines in the New Hebrides
• Preußen – German steel-hulled five-masted ship-rigged windjammer sunk in Crab Bay after a collision
• HMS Prince of Wales – 1941 King George V-class battleship of the Royal Navy

Q

• PS Queen Victoria – Paddle steamer wrecked off the Baily Lighthouse, Ireland

R

• SS Radaas – Ship sunk in 1917 near Portland Bill, now a dive site
• Rainbow Warrior – Greenpeace vessel bombed by French intelligence operatives in Auckland harbour (1985)
• USS Rankin – US Navy Tolland-class attack cargo ship in service 1945-1947, 1952-1971Pages displaying short descriptions of redirect targets
• SS Regina – Steel ship that foundered in Lake Huron in a storm
• HMS Repulse – 1916 Renown-class battlecruiser of the Royal Navy
• RMS Rhone – Royal Mail Ship wrecked off Salt Island in the British Virgin Islands in a hurricane
• Riva Palacio – Admirable-class minesweeper built for the United States NavyPages displaying short descriptions of redirect targets
• Riva Palacio – Admirable-class minesweeper built for the United States NavyPages displaying short descriptions of redirect targets
• USS Rochester – Second United States Navy armored cruiser so designated
• SS Rondo – Ship sunk in Sound of Mull in 1935, now a recreational dive site
• SS Rosehill – Steam collier torpedoed and sunk near Fowey, Cornwall
• SS Rotorua – New Zealand Shipping Company steam ocean liner and refrigerated cargo ship
• Royal Adelaide – Iron sailing ship wrecked on Chesil Beach
• Royal Charter – Steam clipper wrecked off Anglesey, UK
• MV Rozi – Tugboat scuttled as a dive site off Malta

S

• HMS Safari – Royal Navy S-class submarine which served in World War II
• HMCS Saguenay – Destroyer of the Royal Canadian Navy
• Sakawa – Agano-class light cruiser
• MV Salem Express – Car and passenger ferry wrecked off the Egyptian coast
• Sanko Harvest – Bulk carrier that sank off Esperance, Western Australia
• USS Saratoga – Lexington-class aircraft carrier
• HMCS Saskatchewan – Mackenzie-class destroyer of the Royal Canadian Navy
• USS Scrimmage – Admirable-class minesweeper built for the United States NavyPages displaying short descriptions of redirect targets
• USS Scuffle – Admirable class minesweeper sunk as an artificial reef off CozumelPages displaying short descriptions of redirect targets
• HMS Scylla – 1970 Type 12I or Leander-class frigate of the Royal Navy
• HMS Sidon – Royal Navy submarine sunk in Portland Harbour by explosion of a faulty torpedo
• USCGC Spar – Iris class sea going buoy tender
• USS Spiegel Grove – US Navy ship sunk off Key Largo as an artificial reef
• Stanegarth – Steam tugboat scuttled as a dive feature at Stoney Cove
• SS Stanwood – British ship sunk off Falmouth in 1939
• SS Stella – Passenger ferry wrecked off the Casquets in 1899
• SS Stepas Darius – Liberty ship built in the United States during World War II
• HMAS Swan – Australian naval ship, built 1970

T

• USCGC Tamaroa – Coast guard cutter
• USS Tarpon – Submarine of the United States
• Texas Clipper – Merchant marine training vessel with the Texas Maritime Academy
• SS Thesis – Steamship wrecked in 1889 in the Sound of Mull, Scotland. Now a recreational dive site.
• SS Thistlegorm – British armed merchantman sunk in the Red Sea at Ras Muhammad
• Thunderbolt Wreck – Mine planter of The US Army
• Toa Maru – Japanese transport ship sunk by a submarine off Gizo, Solomon Islands
• HMAS Tobruk – Modified Round Table-class Landing Ship Heavy of the Royal Australian Navy
• Tokai Maru – Japanese passenger-cargo ship sunk in Apra Harbor, Guam
• SS Torrey Canyon – Oil tanker wrecked off the coast of Cornwall
• SAS Transvaal – Loch-class frigate in the South African Navy
• MV Treasure – June 2000 environmental disaster off the coast of South Africa
• HMNZS Tui – Conrad class oceanographic ship

U

• U-40 – German submarine sunk by a mine in the English Channel
• U-352 – German World War II submarine
• U-1195 – German World War II submarine
• Um El Faroud – Libyan owned tanker scuttled as dive site off Malta

V

• SS Varvassi – Greek freighter wrecked at The Needles in a storm after engine failure
• USS Vermilion – Tolland-class attack cargo ship
• SS Vienna – Steamship sunk after a collision in Lake Superior

W

• HMNZS Waikato – Leander class frigate of the Royal New Zealand Navy
• SS Walter L M Russ – German freighter wrecked in St George's Channel
• SS Washingtonian – American freighter that sank off Delaware after a collision
• HMNZS Wellington – Leander class frigate sunk as artificial reef off Wellington, New Zealand
• USS Wilkes-Barre – Cleveland-class light cruiserPages displaying short descriptions of redirect targets

Y

• USS Yancey – Andromeda-class attack cargo ship sunk as an artificial reef off North CarolinaPages displaying short descriptions of redirect targets
• YO-257 – US Navy yard oiler scuttled off Waikiki, Honolulu, Hawaii
• SS Yongala – Passenger steamship that was wrecked in Queensland, Australia
• HMCS Yukon – Mackenzie-class destroyer of the Royal Canadian Navy

Z

• MS Zenobia – RO-RO ferry that capsized and sank near Larnaca, Cyprus
• SS Zealandia – Australian cargo and passenger steamship sunk in the bombing of Darwin
• Zingara – Cargo vessel wrecked in the Straits of Tiran in the Red Sea